Mersen A3T200 300V 200A T Fuse Fast acting/class T fuse Extremely current-limiting for low peak let-thru current Unique dimensions prevent replacement by other fuse classes Blade-stamped catalog numbers for permanent identification Small physical size for greater design flexibility Class T Fast Acting Characteristics 300 Vac/160 Vdc 200 Ampere Interrupting Rating 200 Kiloampere (Ac), 50 Kiloampere (Dc)